With the correct wedge, legal photometric function can be attained for the #92 Series taillights which are mounted on surface angles as much as 15 degrees off the perpendicular. With the correct wedge, legal photometric function can be attained for the #92 Series tail lights which are mounted on surface angles as much as 15 degrees off the perpendicular. Part Number: 30-92-064 Warranty: 1 Year